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Diffstat (limited to 'src/devices/bus/bw2/ramcard.h')
-rw-r--r-- | src/devices/bus/bw2/ramcard.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/devices/bus/bw2/ramcard.h b/src/devices/bus/bw2/ramcard.h new file mode 100644 index 00000000000..1d346370567 --- /dev/null +++ b/src/devices/bus/bw2/ramcard.h @@ -0,0 +1,59 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Bondwell 2 RAMCARD emulation + +**********************************************************************/ + +#pragma once + +#ifndef __BW2_RAMCARD__ +#define __BW2_RAMCARD__ + +#include "emu.h" +#include "exp.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> bw2_ramcard_device + +class bw2_ramcard_device : public device_t, + public device_bw2_expansion_slot_interface +{ +public: + // construction/destruction + bw2_ramcard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // device_bw2_expansion_slot_interface overrides + virtual UINT8 bw2_cd_r(address_space &space, offs_t offset, UINT8 data, int ram2, int ram3, int ram4, int ram5, int ram6); + virtual void bw2_cd_w(address_space &space, offs_t offset, UINT8 data, int ram2, int ram3, int ram4, int ram5, int ram6); + virtual void bw2_slot_w(address_space &space, offs_t offset, UINT8 data); + +private: + required_memory_region m_rom; + optional_shared_ptr<UINT8> m_ram; + + int m_en; + UINT8 m_bank; +}; + + +// device type definition +extern const device_type BW2_RAMCARD; + + + +#endif |